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Current system
20181-1233
HJ 608 A,BC
Algedi


Nearby doubles
7' : 20176-1230
BU 295AB
Prima Giedi

9' : 20181-1224
DAM 861

15' : 20170-1228
HJ 2943AB

19' : 20176-1250
RST4056

28' : 20164-1220
BU 294AB

34' : 20158-1222
DOO 83

34' : 20189-1201
HU 356

41' : 20207-1246
LAM 5
Alshat

43' : 20153-1217
DOO 82

44' : 20158-1301
OSW 70

45' : 20161-1159
KIR 22

68' : 20186-1126
CVR 223

68' : 20226-1223
H N 127AB

72' : 20229-1219
GWP2941

78' : 20207-1340
OCC9192

83' : 20124-1237
BUP 206AB

85' : 20136-1140
DAM 634

88' : 20127-1312
TOK 336

89' : 20136-1133
RST4055

90' : 20200-1108
HU 358

96' : 20169-1059
LDS4835

97' : 20118-1205
H 6 92

99' : 20120-1150
RST4053

104' : 20111-1252
HO 119

105' : 20177-1417
J 1701

106' : 20190-1417
RST4057



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20181-1233 HJ 608 A,BC (Algedi)

 
 
20h 18m 03.22s -12° 32' 41.4" P.A. 196.00 sep 6.6 mag 3.66,11.10 Sp G9III dist. 32.45 pc (105.85 l.y.)
 
 
Coord 2000 20181-1233 Discov num HJ  608 Comp A,BC Coord arcsec 2000 20 18 03.22 -12 32 41.4
Date first 1827 Date last 2010 Obs 27
Pa first 153 Pa last 195.7 P.A. Now (θ) 195.7°
Sep first 8.0 Sep last 6.6 Sep. Now (ρ) 6.6"
Mag pri 3.66 Mag sec 11.10 delta mag (ΔM) 7.44 Spectral class G9III (yellow)
Pri motion ra +063 Sec motion ra +019
Pri motion dec +003 Sec motion dec +001
Notes N S (See Notes, Parallax indidates non-physical)
rPM=0.698
This double is not physical.
 
 
20181-1233 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Algedi 163427 20 18 03 -12 32 41 HJ 608 A,BC 2010 27 196 6.6 3.66 11.10 7.44 <===
Show 163427 20 18 03 -12 32 41 AGC 12 AD 2020 15 159 153.4 3.66 10.50 6.84
Show 163427 20 18 03 -12 32 41 STFA 51 AE 2012 47 290 381.2 3.66 4.34 0.68
Show 20 18 03 -12 32 48 AGC 12 BC 2016 21 241 1.2 11.20 11.50 0.30
Quintuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Algedi Constellation Capricornus SAO 163427 HIP 100064
Tycho2 5749-02530-1 Gaia DR2 6880093650312745984 HD 192947 HR 7754
GC 28200 ADS 13645 BD BD-12 5685 Bayer Alpha 2 Capricorni
Bayer name Alp2 Cap Flamsteed 6 Capricorni Flamsteed name 6 Cap FK5 761
Distance 32.45 Distance ly 105.85 Bayer greek α2 Cap
Other names Gredi, Secunda Giedi, Algiedi Secunda
Meaning From Arabic: ????? al-jady ('the (male) kid'). Alternative traditional names are Al Giedi, Secunda Giedi and Algiedi Secunda.
 
 
WDS 20181-1233 HJ 608 A,BC (Algedi) : NOTES
 
 
discov_num notes refcode
HJ 608 A: alp 2 Cap = 6 Cap = Algedi
Aka H 6 4 = SHJ 319. Bu_1906
STFA 51AE E component is A of 20176-1230 but non-physical, so not merged.
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
 
 
DISCOVERER
 
 
idgroup discov author
1 AGC Clark, A.G.
2 HJ Herschel, J.F.W.
51 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181-1233 HJ 608 A,BC 2008 28 199 7.4 3.66 11.10 G9III N 201803.22-123241.4
20181-1233 HJ 608 A,BC 2010 29 196 6.6 3.66 11.10 G9III N 201803.22-123241.4

If you need more information about this double, apply for a data request form to the WDS.

 
 
WDS 20181-1233 HJ 608 A,BC (Algedi) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20181-1233 HJ 608 A,BC (Algedi) : MEASURES
 
 
No records found.

 
 
WDS 20181-1233 (Algedi) : VIRTUAL EYEPIECE
 
 

20181-1233 HJ 608A mag 3.66 Sp G9III 20181-1233 AGC 12B sep 6.5 P.A. 180.00 mag 11.2 20181-1233 AGC 12C sep 7.2 P.A. 188.50 mag 11.5 20181-1233 AGC 12D sep 152.9 P.A. 159.20 mag 10.5 20181-1233 STFA 51E sep 373.2 P.A. 290.70 mag 4.34 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20181-1233 (Algedi) : ALADIN DSS IMAGE @ 20h 18m 03.22s -12° 32' 41.4"
 
 
 
 
WDS 20181-1233 HJ 608 A,BC (Algedi) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20181-1233 HJ 608A,BC (Algedi) distance=0' 20181-1233 AGC 12BC distance=1' 20176-1230 WZ 15Aa,Ab distance=7' 20176-1230 BU 295AB (Prima Giedi) distance=7' 20176-1230 HJ 607AC (Prima Giedi) distance=7' 20176-1230 WZ 15CD distance=7' 20181-1224 DAM 861 distance=9' 20170-1228 HJ 2943AB distance=15' 20170-1228 DOO 84AC distance=15' 20176-1250 RST4056 distance=19' 20164-1220 BU 294BC distance=28' 20164-1220 BU 294AB distance=28' 20158-1222 DOO 83 distance=34' 20189-1201 HU 356 distance=34' 20207-1246 LAM 5 (Alshat) distance=41' 20153-1217 DOO 82 distance=43' 20158-1301 OSW 70 distance=44' 20161-1159 KIR 22 distance=45' 20186-1126 CVR 223 distance=68' 20226-1223 HDS2910Aa,Ab distance=68' 20226-1223 H N 127AB distance=68' 20229-1219 GWP2941 distance=72' 20207-1340 OCC9192 distance=78' 20124-1237 BUP 206AB distance=83' 20124-1237 TDT2085AC distance=83' 20136-1140 DAM 634 distance=85' 20127-1312 TOK 336 distance=88' 20136-1133 RST4055 distance=89' 20124-1237 RAO 88CD distance=89' 20200-1108 HU 358 distance=90' 20169-1059 LDS4835 distance=96' 20118-1205 H 6 92 distance=97' 20120-1150 RST4053 distance=99' 20111-1252 HO 119 distance=104' 20177-1417 J 1701 distance=105' 20190-1417 RST4057 distance=106' 20251-1309 BRT2772 distance=109' 20131-1111 BRT2771AB distance=110' 20131-1111 DAM 203AC distance=110' 20202-1046 J 1389 distance=111' 20106-1308 DAM 195 distance=115' 20156-1422 HJ 1493 distance=116' 20105-1304 J 2298 distance=117' 20181-1036 HDS2899 distance=117' 20100-1303 TOK 729 distance=122' 20211-1429 SHN 244 distance=125' 20114-1351 BRT2770 distance=126' 20203-1439 SHN 243 distance=130' 20242-1407 OCC 476 distance=131' 20112-1109 RST4653 distance=131' 20271-1250 GWP2952 distance=135' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show Algedi 20181-1233 HJ 608 A,BC 196 6.6
Show Algedi 20181-1233 AGC 12 AD 159 153.4
Show Algedi 20181-1233 STFA 51 AE 290 381.2
Show 20181-1233 AGC 12 BC 241 1.2 1
Show 20176-1230 WZ 15 Aa,Ab 353 0.8 7
Show Prima Giedi 20176-1230 BU 295 AB 212 53.2 7
Show Prima Giedi 20176-1230 HJ 607 AC 228 47.4 7
Show 20176-1230 WZ 15 CD 108 31.7 7
Show 20181-1224 DAM 861 41 11.9 9
Show 20170-1228 HJ 2943 AB 113 9.9 15
Show 20170-1228 DOO 84 AC 10 25.8 15
Show 20176-1250 RST4056 82 2.7 19
Show 20164-1220 BU 294 BC 177 6.6 28
Show 20164-1220 BU 294 AB 33 26.7 28
Show 20158-1222 DOO 83 63 11.3 34
Show 20189-1201 HU 356 91 0.7 34
Show Alshat 20207-1246 LAM 5 211 53.2 41
Show 20153-1217 DOO 82 242 15.6 43
Show 20158-1301 OSW 70 93 53.6 44
Show 20161-1159 KIR 22 175 38.3 45
Show 20186-1126 CVR 223 39 27.9 68
Show 20226-1223 HDS2910 Aa,Ab 174 0.3 68
Show 20226-1223 H N 127 AB 205 43.4 68
Show 20229-1219 GWP2941 67 87.3 72
Show 20207-1340 OCC9192 -1 0.0 78
Show 20124-1237 BUP 206 AB 272 90.5 83
Show 20124-1237 TDT2085 AC 194 999.9 83
Show 20136-1140 DAM 634 211 8.5 85
Show 20127-1312 TOK 336 88 114.0 88
Show 20136-1133 RST4055 83 3.9 89
Show 20124-1237 RAO 88 CD 273 18.0 89
Show 20200-1108 HU 358 82 0.6 90
Show 20169-1059 LDS4835 230 123.3 96
Show 20118-1205 H 6 92 263 84.1 97
Show 20120-1150 RST4053 2 0.8 99
Show 20111-1252 HO 119 198 3.1 104
Show 20177-1417 J 1701 79 5.0 105
Show 20190-1417 RST4057 255 1.2 106
Show 20251-1309 BRT2772 247 4.8 109
Show 20131-1111 BRT2771 AB 130 5.9 110
Show 20131-1111 DAM 203 AC 53 5.4 110
Show 20202-1046 J 1389 62 7.1 111
Show 20106-1308 DAM 195 205 5.3 115
Show 20156-1422 HJ 1493 326 18.9 116
Show 20105-1304 J 2298 51 5.7 117
Show 20181-1036 HDS2899 237 0.3 117
Show 20100-1303 TOK 729 277 1.2 122
Show 20211-1429 SHN 244 -1 0.2 125
Show 20114-1351 BRT2770 10 5.5 126
Show 20203-1439 SHN 243 -1 0.1 130
Show 20242-1407 OCC 476 -1 0.1 131

 
 
WDS 20181-1233 : COMPONENTS
 
 
  A B C D
B pa=180.0°
sep=6.50"
 
C pa=188.5°
sep=7.17"
pa=240.8°
sep=1.21"
 
D pa=159.2°
sep=152.92"
pa=158.3°
sep=146.86"
pa=157.8°
sep=146.71"
 
E pa=290.7°
sep=373.20"
pa=291.6°
sep=375.54"
pa=291.7°
sep=374.77"
pa=304.2°
sep=488.11"
 
 
20181-1233 A
 
 
Common name Algedi Meaning From Arabic: ????? al-jady ('the (male) kid'). Alternative traditional names are Al Giedi, Secunda Giedi and Algiedi Secunda. Other names Gredi, Secunda Giedi, Algiedi Secunda Coord arcsec 2000 201803.22-123241.4
Mag 3.66 Spectral class G9III (yellow) PmRA 63.00 PmDE 3.0
SAO 163427 HIP 100064 Tycho2 5749-02530-1 HD 192947
HR 7754 GC 28200 BD BD-12 5685 Bayer Alpha 2 Capricorni
Bayer name Alp2 Cap Flamsteed 6 Capricorni Flamsteed name 6 Cap FK5 761
Tycho2
Tycho2 5749-02530-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 4.759 E BTmag 0.014 VTmag 3.665
E VTmag 0.009 Prox 999 TYC T HIP 100064
CCDM RAdeg 304.51342083 DEdeg -12.54485833 EpRA 1990 1.84
EpDE 1990 1.26 E RAdeg 3.1 E DEdeg 3.5 Posflg
Corr -0.2
SAO
SAO 163427 DelFlag RA1950 PmRA1950 0.0042
DE1950 PmDE1950 0.005 Vmag 3.8 SpType G5
Double code Source 74 CatNum 761 DM BD-12 5685
DMcomp BDsup HD 192947 M HD 0
GC 28200 RA1950rad 5.30266499 DE1950rad -0.22167858 PmRA2000 0.0044
PmDE2000 0.005
Hipparcos
Catalog H HIP 100064 Proxy RAhms 20 18 03.22
DEdms -12 32 41.5 Vmag 3.58 VarFlag R Vmag H
RAdeg 304.513 DEdeg -12.5449 AstroRef Plx 30.01
CCDM 20181-1233 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 192947 BD BD-12 5685
CD CP Dm number -12 5685 VIred 0.92
SpType G6/G8III R SpType Coord arcsec 2000 201803.22-123241.5
Hipparcos 2
HIP 100064 Sn 5 So 0 Nc 1
RArad 5.3147616297 DErad -0.21894909 Plx 30.82 PmRA 62.63
PmDE 2.66 E RArad 0.17 E DErad 0.08 E Plx 0.19
E pmRA 0.2 E pmDE 0.15 Hpmag 3.7388 E Hpmag 0.0005
SHp 0.004 VA 0 BV 0.883 E BV 0.055
VI 0.92
CCDM
Ccdm 20181-1233 RComp Comp A Note1
Note2 Discov num DRAs -2.73 DDEs 18.7
R dRAs 10 Year Theta Rho
Obs 4 Vmag 3.8 Sp G5 PmNote *
PmRA 61 PmDE 5 Dm number -12 5685 Cat1 BD
Name2 163427 Cat2 SAO HD 192947 M HD
ADS BDS A13645 M ADS BDS N IDS IDS 20125S1251A
HIC 100064
 
 
20181-1233 B
 
 
Coord arcsec 2000 201803.22-123247.9 Mag 11.2 PmRA 19.00 PmDE 1.0
Calc delta mag 7.54
CCDM
Ccdm 20181-1233 RComp Comp B Note1
Note2 Discov num HJ 608 DRAs DDEs
R dRAs Year 1959 Theta 172 Rho 6.6
Obs 14 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13645 M ADS BDS N IDS IDS 20125S1251B
HIC 100064
 
 
20181-1233 C
 
 
Coord arcsec 2000 201803.15-123248.5 Mag 11.5 PmRA 20.00 PmDE 2.0
Calc delta mag 7.84 Calc coord yes
CCDM
Ccdm 20181-1233 RComp B Comp C Note1
Note2 Discov num AGC 12 DRAs DDEs
R dRAs Year 1877 Theta 240 Rho 1.2
Obs 14 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13645 M ADS BDS N IDS IDS 20125S1251C
HIC 100064
 
 
20181-1233 D
 
 
Coord arcsec 2000 201806.93-123504.3 Mag 10.5 PmRA 4.00 PmDE -8.0
Tycho2 5749-00138-1 Calc delta mag 6.84 Calc coord yes
Tycho2
Tycho2 5749-00138-1 Pflag RAmdeg 304.52960164 DEmdeg -12.58449443
PmRA 7.3 PmDE -7.9 E RAmdeg 93 E DEmdeg 108
E pmRA 2.2 E pmDE 2.8 EpRAm 1949.61 EpDEm 1931.90
Num 4 Q RAmdeg 1.4 Q DEmdeg 2.2 Q pmRA 1.4
Q pmDE 2.1 BTmag 11.497 E BTmag 0.085 VTmag 10.497
E VTmag 0.056 Prox 999 TYC T HIP
CCDM RAdeg 304.52958528 DEdeg -12.58447528 EpRA 1990 1.75
EpDE 1990 1.33 E RAdeg 129.5 E DEdeg 196.2 Posflg
Corr -0.2
CCDM
Ccdm 20181-1233 RComp Comp D Note1
Note2 Discov num AGC 12 DRAs DDEs
R dRAs Year 1879 Theta 156 Rho 154.6
Obs 2 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13645 M ADS BDS N IDS IDS 20125S1251D
HIC
 
 
20181-1233 E
 
 
Coord arcsec 2000 201739.37-123029.8 Mag 4.34 PmRA 21.00 PmDE 2.0
Tycho2 5748-02598-1 Calc delta mag 0.68 Calc coord yes
Tycho2
Tycho2 5748-02598-1 Pflag RAmdeg 304.41195507 DEmdeg -12.50821473
PmRA 22.7 PmDE -1.2 E RAmdeg 3 E DEmdeg 4
E pmRA 0.6 E pmDE 0.6 EpRAm 1991.28 EpDEm 1990.49
Num 27 Q RAmdeg 1.3 Q DEmdeg 1.8 Q pmRA 1.3
Q pmDE 1.7 BTmag 5.563 E BTmag 0.014 VTmag 4.342
E VTmag 0.009 Prox 999 TYC T HIP 100027
CCDM AE RAdeg 304.41190250 DEdeg -12.50821167 EpRA 1990 1.83
EpDE 1990 1.17 E RAdeg 3.1 E DEdeg 3.5 Posflg P
Corr -0.2